GB/T 17558-1998
ActiveCamera flash illuminants--Determination of spectral distribution index(ISO/SDI)
照相闪光照明光源光谱分布指数(ISO/SDI)的测定
Application Summary AI generated
GB/T 17558-1998 specifies the method for determining the spectral distribution index (ISO/SDI) of camera flash illuminants. It is applied in the photographic industry to evaluate and compare the color quality of flash units used in cameras, ensuring consistent color reproduction in film and digital photography. This standard is relevant for manufacturers and testing laboratories involved in the design, production, and quality control of photographic flash equipment.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.